diff --git a/framework/views/errorHandler/exception.php b/framework/views/errorHandler/exception.php
index a8a83c0..7995db1 100644
--- a/framework/views/errorHandler/exception.php
+++ b/framework/views/errorHandler/exception.php
@@ -89,6 +89,8 @@ html,body{
 .header pre{
     margin: 10px 0;
     overflow-y: scroll;
+    font-family: Courier, monospace;
+    font-size: 14px;
 }
 
 /* previous exceptions */
@@ -134,6 +136,7 @@ html,body{
     color: #aaa;
 }
 .header .previous pre{
+    font-family: Courier, monospace;
     font-size: 14px;
     margin: 10px 0;
 }